Which is correct? They both have a tongue/tongues
My choice is b) factoring in there are two men, but each has one tongue. Would it be correct to fill in "tongues" in the blank?

: They both have ______

a) a tongue
b) tongues

Question

Which is correct? They both have a tongue/tongues
My choice is b) factoring in there are two men, but each has one tongue. Would it be correct to fill in "tongues" in the blank?
 
: They both have ______

a) a tongue
b) tongues

Answer

Both ones are correct, I think.

Answer

b is more common and more usual

Answer

Both answers would be fine when speaking to an English speaker - neither would sound odd.

Answer

They both have tongues. 
Each of them have a tongue.